[v3,2/4] RAW_PACKET QP capabilities check

Commit Message

Aleksey Senin Dec. 6, 2010, 7:36 a.m. UTC

None

Patch

diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index b342248..df149ed 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1052,6 +1052,9 @@  ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file,
 	if (copy_from_user(&cmd, buf, sizeof cmd))
 		return -EFAULT;
 
+	if (cmd.qp_type == IB_QPT_RAW_PACKET && !capable(CAP_NET_RAW))
+		return -EPERM;
+
 	INIT_UDATA(&udata, buf + sizeof cmd,
 		   (unsigned long) cmd.response + sizeof resp,
 		   in_len - sizeof cmd, out_len - sizeof resp);